Home / 1,212,787,591.40-1,819,181,387.10-1,059,732,583.40

Finding the Fourth Proportional to 1,212,787,591.40, 1,819,181,387.10 and 1,059,732,583.40

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Solution

The fourth proportional to 1,212,787,591.40, 1,819,181,387.10 and 1,059,732,583.40 is: 1,589,598,875.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,787,591.40 : 1,819,181,387.10 = 1,059,732,583.40 : x
  2. Step 2: Convert to fraction form
    1,212,787,591.40/1,819,181,387.10 = 1,059,732,583.40/x
  3. Step 3: Cross multiply
    1,212,787,591.40x = 1,819,181,387.10 × 1,059,732,583.40
  4. Step 4: Simplify right side
    1,212,787,591.40x = 1,927,845,791,024,678,400
  5. Step 5: Solve for x
    x = 1,927,845,791,024,678,400/1,212,787,591.40
  6. Step 6: Final answer
    x = 1,589,598,875.10

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Double scale
Find fourth proportional to 1,212,787,592.40, 1,819,181,388.60 and 1,059,732,584.40
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.